Linezolid
Gram positive cocci in short chains
Primary driver of VRE colonization is antibiotic exposure - prolonged use of vancomycin and biliary excreted agents with unreliable anti-enterococcal activity (cephalosporins, Fluoroquinolones, metronidazole)
Colonization
Bacteremia
Endocarditis (usually subacute)
Intra-abdominal or hepatobiliary infection
UTI
More likely to cause true infection in immunocompromised individuals or after selection pressure from antimicrobial administration has eliminated other organisms
A majority of E. faecium will be VRE - refer to antibiogram